I'm trying to import a database dump file into Oracle 10g. I'm very very new to Oracle.
I've installed Oracle Server ok, but when I go to SQLPlus, I'm prompted for a username and password. I've entered the defaults I found on websites (sys/sys, sys/change_on_install
system/manager, scott/tiger) but none are being accepted.
Best Answer
When you built your database, you should have been prompted for a password at some point for the system and sys accounts. That's the password you need to use.
The comment above about logging in with "as sysdba" with the user SYSTEM is incorrect. SYSTEM does not have SYSDBA privilege.
If you've forgotten or don't know the password(s) you specified for these accounts, you can sneak in through the back door by doing the following (assuming Windows):